Spike for base-ball shoes.



D. ATRADESCO.

SHKE FOR BASE BALL SHOES.

APPLIGATIQN HLED APR. 12, 1912.

Patented Sept. 9, 1913.

wuantoz .www Z es ou) @Wi/humaan Gbtozneg :DANIEL A. TRADESCD, OF PRICEBURG, PENNSYLVANIA.

SPIKE FOR BASE-BALL SHOES.

notarse.

S'pecication of Letters Patent.

Patented sepan, 1913.

Application illed April 12, 1912. Serial No. 690,225.

To all w/L'o'm. it may concern.'

Be it knownthat I, DANIEL A. Tnennsco, a citizen of the United States, residingat Priceburg, in the county of Lackawanna and State of Pennsylvania, have invented `certain new and useful Improvements in Spikes for Base-Ball Shoes, of which the 'following is a speciication, reference being had to the 'accompanying drawings. 1() This invention comprehends certain new and useful improvements in spikes for base ball shoes and the invention has for its primary object a sim le, durable and efficient construction of evice of this character, the parts of which are so arranged that they may be cheaply manufactured and readily assembled, and will prevent injury v toE the players such as are incidental to spikes of the kind heretofore ordinarily used. The invention also has for its object an improved device of this character which will automatically clear itself of dirt and grass so that the spike will atl all times be in' proper condition. And the invention aims to to render them more useful and commercially desirable.

With these and other objects in view as will more fully appear as the description proceeds, the invention consists in certain constructions, arrangements and combinations of the parts that I shall hereinafter describe and claim.

For a full understanding of the invention reference is to .be had to the following description and accompanying drawings, in

Which- Figure 1 is a bottom plan View of a shoe equipped with two of my improved spikes;

a0 Fig. 2 is an enlarged sectional view on the line 2 2 of Fig. 1 and with the parts in normal position; Fig. 3 is a bottom plan view of the base plate of the device; and

Fig. 4 is a similar view of the spike carrying plate. I

Corresponding 'anddike parts are referred to in the following description' and designated in the accompanying drawings by like reference characters.

In practice I propose the use of two of my improved spikes for each shoe, but as they are both alike, a description Lof one will suiice.

My improved spike includes a base plate 1 which is formed with any desired numgenerally improveV devices of this` class and ber of apertured ears 2 designed to receive screws or similar fastening devices whereby said base plate may be readily attached to the sole of the shoe. 'Ille base plate 1 is formed with air nnular ange 3 which is interiorly screw lireaded as indicated at 4 for engagement with the exterior screw threads 5 of a spike plate 6, said spikeplate in the present instance being formed with three curved and circularly arranged blades or flanges 7 slightlylseparated from each other at their adjacent ends, whereby they may obtain 'a firm hold in the ground. The blades or flanges 7 are sharpened as indicated at 8. Within thecircle of the flanges 7 a con'caVo-convex diskt) is mounted, and

back of the said disk is a spiral spring 101 i exerting its pressure on said disk to move it outwardly whereby the central portion of the dlsk will, when there is no pressure on the disk, lie outside of the plane of the` sharpened edges 8 on the flanges 7. The

convex face of the disk 9 extends outwardly so that the disk 9 forms a cover for the spring 10 and prevents any dirt, grass, or sod entering between `the spirals of the spring and hindering the action of the same.

From theforegoing description in connection with the accompanying drawings, the operation of my improved spike for baseball shoes will-be apparent. l

In the practical use of the device, when the player plants his foot on the `ground,it Y

is obvious that the disk 9 will move inwardly against the pressure of the spring 10 and consequently the sharpened edges 8 of the blades or flanges 7 will engage the ground and enable the player to obtain a firm hold thereon with his feet. As soon as the players foot is lifted from the ground, the spring 10 is permitted to act and the disk 9 is moved outwardly again to its outward position whereby the plate will be prevented from being clo ged up with sod, dirt or grass and the splke will at all times be maintained in proper condition. Preferably, in order to limit the outward movement of the cupped disk 9, the plate 6 is formed on the inner wall of its `flanges 7 with shoulders 7a designed to engage the edge of the disk, as best illustrated in Fig 2. As the central portion of the disk 9 extends outside ofthe plane of the sharpened edges 8 of the flangesl 7, the spike will be rendered resilient owing to the pressure of the spring l0 against the vance ofthe sharpened edges 8 of the Hanges' 7, will glide o tthe limb of the player therebylpreventfthe edges of.y the flanges from striking the limb. k

While the accompanying illus?a trate what T. believe to be the lpreferred em-`v bodiment of my invention, it is to be understood that the'inventionisnotlimited there-i' to but that various changes mayv made in the construction, arrangement andf proper`- tions of the parts Withoutfdeparting from the scope of the invention appended claims.

claim -:4

l. d eviceof .the character described including a base' plate, said' base `plate a1'- ranged or attachment to` andformed Gopiesof this patent/may be obtained for as defined in the A' y A `signature 1n the presence of two Witnesses. Having thus described my invention, I K

A.circle of said lflanges, the convex face oi said disk normally projecting beyond the plane of the edges of said flanges, and a spring Within tliespike member back of the disk and bearing against the concave face thereof. asand for the purpose described.

x2.' Adevice of the character described `includin'g ya spike member provided' With a 'plurality l.of curved clrcularly arranged flanges, 11. support for said spike member acurved disk mounted Within the circle of said ianges, the central portion of said curved disk normally extending .beyond the plane of the edges of said flanges, and a spring arranged Within the spike member back aof said disk and bearing against the same as and for t-he purpose described.

In testimony whereof I hereunto aiiix my DANIEL A. TRADESCO.

` Witnesses ARTHUR SCHMIDT, CLEMENT .PRESSMANN vecents eac}i,-by addressing the Commissioner of Patents.

` Washington, .D. CJ

1 fwherebythe same may be secured to a shoe, 

